abb Automatic transfer switch 63 amps with 4 Poles

abb Automatic transfer switch 63 amps with 4 Poles

ABB OTM63F4C21D400C automatic transfer switch, a 63 A four-pole motor-operated ATS designed for reliable low-voltage power source transfer applications.

SKU: OTM63F4C21D400CAlt SKU: OTM63F4C21D400CMPN: 1SCA151255R1001
Price
List Price £1,760.89 ex VAT
Your Price (ex VAT) Save 35%
£1,144.58 35% OFF
You save £616.31 per unit
Manufacturer Lead Time Estimated Delivery 7 weeks
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £1,144.58
Trade pricing is personalised to your account

Manufacturer Lead Time

£1,144.58

Why Choose the ABB OTM63F4C21D400C Automatic Transfer Switch?

The ABB OTM63F4C21D400C is a compact and reliable automatic transfer switch (ATS) designed for automatic changeover between two power sources in low-voltage electrical distribution systems. As part of the advanced ABB Compact ATS series, it provides dependable power transfer for industrial, commercial and backup power applications requiring improved supply continuity.

This motor-operated automatic transfer switch features a self-supplied 21D controller with adjustable operating parameters and an open transition 1-0-2 switching operation. Its compact construction enables straightforward installation in distribution panels, generator systems and industrial control assemblies while providing reliable automatic source monitoring and transfer.

With a rated operational current of 63 A, a four-pole switching configuration and a 380–415 V AC operating voltage, the OTM63F4C21D400C is suitable for mains-to-generator transfer systems, commercial distribution boards and industrial power continuity applications.

Key Advantages

  • Compact automatic transfer switch designed for power continuity applications.
  • 63 A rated operational current suitable for industrial and commercial installations.
  • 4-pole switching configuration including switched neutral capability.
  • Integrated 21D automatic controller with adjustable operating parameters.
  • Motor-operated changeover functionality for reliable source transfer.
  • Flexible installation with panel and distribution board mounting options.

Key Features

  • ABB Compact ATS series.
  • 63 A rated operational current.
  • 4-pole automatic transfer switching.
  • 380–415 V AC motor operating voltage.
  • Self-supplied 21D controller.
  • Open transition 1-0-2 switching operation.
  • Integrated motor drive for automatic transfer.
  • Direct-mounted handle for manual operation capability.

Reliable Automatic Power Transfer for Critical Systems

Automatic transfer switches such as the ABB OTM63F4C21D400C monitor available power sources and automatically transfer connected loads when the primary supply fails or backup power becomes available. This helps improve electrical system resilience and reduce downtime in essential installations.

The ABB Compact ATS range is designed for electrical engineers, panel builders and facility operators requiring compact and dependable automatic changeover solutions. Its integrated controller, motor mechanism and adjustable operating parameters support reliable operation in modern power distribution systems.

Typical Applications

  • Automatic mains and standby generator transfer systems.
  • Commercial distribution boards and switchboards.
  • Industrial control panels.
  • Backup power and emergency supply systems.
  • Manufacturing and process equipment.
  • Electrical distribution and power continuity systems.

Technical Specifications

Tick the specs you need, then view products that match.

Mounting Type Panel / door
Device Type Automatic transfer switch
Operation Automatic
Poles 4-pole
HS Code 85365080
Country of Manufacture China
Manufacturer ABB
Series Compact ATS
Model OTM63F4C21D400C
Product ID 1SCA151255R1001
Product type Automatic transfer switch
Rated operational current 63 A
Number of poles 4P
Controller type 21D
Rated operational voltage 380–415 V AC
Motor operational voltage 380–415 V AC
Rated operational power 30 kW at 380–415 V AC
Rated insulation voltage (Ui) 800 V
Rated impulse withstand voltage (Uimp) 8 kV
Rated short-time withstand current 2.5 kA for 1 second
Transition type Open transition
Switch positions 1-0-2
Fourth pole type Switched – simultaneous function
Protection rating Front IP20
Mounting type Panel / distribution board mounting
Dimensions (H × W × D) approx. 103 × 233 × 131 mm
Weight approx. 2.11 kg

Frequently Asked Questions

What is the ABB OTM63F4C21D400C used for?

The ABB OTM63F4C21D400C is an automatic transfer switch used to transfer electrical loads between two power sources such as mains and standby generators.

What current rating does this transfer switch support?

The switch supports a rated operational current of 63 A for industrial and commercial low-voltage applications.

What voltage does the ABB OTM63F4C21D400C operate at?

The OTM63F4C21D400C operates with a 380–415 V AC rated voltage range.

How many poles does this automatic transfer switch have?

The OTM63F4C21D400C features a 4-pole switching configuration including switched neutral operation.

What type of controller is included?

The transfer switch includes an integrated 21D controller with adjustable operating parameters for automatic transfer operation.

Trusted by Electrical Engineers Worldwide

ABB Compact ATS automatic transfer switches are widely used in industrial and commercial power systems to provide reliable source transfer, improved electrical resilience and dependable backup power management.